void OpenVG_SVGHandler::draw() {
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
// clear out the transform stack
_transform_stack.clear();
float m[9];
vgGetMatrix( m );
// assume the current openvg matrix is like the camera matrix and should always be applied first
Transform2d top;
Transform2d::multiply( top, Transform2d(m), rootTransform() ); // multiply by the root transform
pushTransform( top );
// SVG is origin at the top, left (openvg is origin at the bottom, left)
// so need to flip
// Transform2d flip;
// flip.setScale( 1, -1 );
// pushTransform( flip );
if( _batch ) {
vgLoadMatrix( topTransform().m );
vgDrawBatchMNK( _batch );
} else {
draw_recursive( _root_group );
}
vgLoadMatrix( m ); // restore matrix
_transform_stack.clear();
}
// Text renders a string of text at a specified location, size, using the specified font glyphs
// derived from http://web.archive.org/web/20070808195131/http://developer.hybrid.fi/font2openvg/renderFont.cpp.txt
void Text(VGfloat x, VGfloat y, const char *s, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, mm[9];
vgGetMatrix(mm);
int character;
unsigned char *ss = (unsigned char *)s;
while ((ss = next_utf8_char(ss, &character)) != NULL) {
int glyph = f.CharacterMap[character];
if (character >= MAXFONTPATH-1) {
continue;
}
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, y, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += size * f.GlyphAdvances[glyph] / 65536.0f;
}
vgLoadMatrix(mm);
}
void HbNvgEnginePrivate::restoreClientMatrices()
{
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadMatrix(mPathMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(mImageMatrix);
vgSeti(VG_MATRIX_MODE, mMatrixMode);
}
void CNVGCSIcon::RestoreClientMatrices()
{
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadMatrix(iPathMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(iImageMatrix);
vgSeti(VG_MATRIX_MODE, iMatrixMode);
}
static bool rpi_frame(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
{
rpi_t *rpi = (rpi_t*)data;
if (width != rpi->mRenderWidth || height != rpi->mRenderHeight)
{
rpi->mRenderWidth = width;
rpi->mRenderHeight = height;
rpi_calculate_quad(rpi);
vguComputeWarpQuadToQuad(
rpi->x1, rpi->y1, rpi->x2, rpi->y1, rpi->x2, rpi->y2, rpi->x1, rpi->y2,
// needs to be flipped, Khronos loves their bottom-left origin
0, height, width, height, width, 0, 0, 0,
rpi->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(rpi->mTransformMatrix);
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, rpi->mScreenWidth, rpi->mScreenHeight);
vgSeti(VG_SCISSORING, VG_TRUE);
vgImageSubData(rpi->mImage, frame, pitch, rpi->mTexType, 0, 0, width, height);
vgDrawImage(rpi->mImage);
#ifdef HAVE_FREETYPE
if (msg && rpi->mFontsOn)
rpi_draw_message(rpi, msg);
#else
(void)msg;
#endif
eglSwapBuffers(rpi->mDisplay, rpi->mSurface);
return true;
}
/*******************************************************************************
* Function Name : DoShearCentered
* Description : Demonstrate the effect of shearing centred on a
* shape. Each path is transformed separately.
*******************************************************************************/
void CTransforms::DoShearCentered()
{
// Make sure we're operating on the path user-to-surface matrix
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
// Load Identity matrix. This clears all previous transformations
vgLoadIdentity();
// To be independent of screen resolution, we need to scale the
// coordinates so everything in the range [0, 1] will be visible
vgScale((float)PVRShellGet(prefWidth), (float)PVRShellGet(prefHeight));
// Unlike OpenGL, OpenVG does not maintain a matrix stack. So instead of
// pushing the current matrix to the stack, we have to store it ourselves
float afUnitMatrix[3 * 3];
vgGetMatrix(afUnitMatrix);
// turn time(ms) into a clipped periodic triangle function
int i32Zigzag1 = m_ui32AbsTime % 2000;
if(i32Zigzag1 > 1000)
i32Zigzag1 = 2000 - i32Zigzag1;
i32Zigzag1 = PVRT_MAX(250, PVRT_MIN(750, i32Zigzag1)) - 500;
// and again, now with shifted phase
int i32Zigzag2 = (m_ui32AbsTime + 500) % 2000;
if(i32Zigzag2 > 1000)
i32Zigzag2 = 2000 - i32Zigzag2;
i32Zigzag2 = PVRT_MAX(250, PVRT_MIN(750, i32Zigzag2)) - 500;
// Scaling a shape from its center is identical to moving it to the
// origin, scaling it there, and moving it back where it was.
//
// IMPORTANT:
// Since OpenVG right-multiplies matrices, you conceptually need to
// call the transformation functions in backwards order.
vgTranslate(0.5f, 0.75f);
vgShear(0.001f * i32Zigzag1, 0);
vgTranslate(-0.5f, -0.75f);
// draw first path
vgDrawPath(m_avgPaths[0], VG_STROKE_PATH | VG_FILL_PATH);
// restore the unit matrix ([0, 1] visible)
vgLoadMatrix(afUnitMatrix);
// transformation for second path
vgTranslate(0.5f, 0.25f);
vgShear(0.001f * i32Zigzag2, 0);
vgTranslate(-0.5f, -0.25f);
// draw second path
vgDrawPath(m_avgPaths[1], VG_STROKE_PATH | VG_FILL_PATH);
}
void OpenVG_SVGHandler::draw_recursive( group_t& group ) {
// push the group matrix onto the stack
pushTransform( group.transform );
vgLoadMatrix( topTransform().m );
for ( list<path_object_t>::iterator it = group.path_objects.begin(); it != group.path_objects.end(); it++ ) {
path_object_t& po = *it;
uint32_t draw_params = 0;
if ( po.fill ) {
vgSetPaint( po.fill, VG_FILL_PATH );
draw_params |= VG_FILL_PATH;
}
if ( po.stroke ) {
vgSetPaint( po.stroke, VG_STROKE_PATH );
vgSetf( VG_STROKE_LINE_WIDTH, po.stroke_width );
draw_params |= VG_STROKE_PATH;
}
if( draw_params == 0 ) { // if no stroke or fill use the default black fill
vgSetPaint( _blackBackFill, VG_FILL_PATH );
draw_params |= VG_FILL_PATH;
}
// set the fill rule
vgSeti( VG_FILL_RULE, po.fill_rule );
// trasnform
pushTransform( po.transform );
vgLoadMatrix( topTransform().m );
vgDrawPath( po.path, draw_params );
popTransform();
vgLoadMatrix( topTransform().m );
}
for ( list<group_t>::iterator it = group.children.begin(); it != group.children.end(); it++ ) {
draw_recursive( *it );
}
popTransform();
vgLoadMatrix( topTransform().m );
}
static bool vg_frame(void *data, const void *frame,
unsigned frame_width, unsigned frame_height,
uint64_t frame_count, unsigned pitch, const char *msg)
{
unsigned width, height;
vg_t *vg = (vg_t*)data;
static struct retro_perf_counter vg_fr = {0};
static struct retro_perf_counter vg_image = {0};
rarch_perf_init(&vg_fr, "vg_fr");
retro_perf_start(&vg_fr);
video_driver_get_size(&width, &height);
if (frame_width != vg->mRenderWidth || frame_height != vg->mRenderHeight || vg->should_resize)
{
vg->mRenderWidth = frame_width;
vg->mRenderHeight = frame_height;
vg_calculate_quad(vg);
matrix_3x3_quad_to_quad(
vg->x1, vg->y1, vg->x2, vg->y1, vg->x2, vg->y2, vg->x1, vg->y2,
/* needs to be flipped, Khronos loves their bottom-left origin */
0, frame_height, frame_width, frame_height, frame_width, 0, 0, 0,
&vg->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(vg->mTransformMatrix.data);
vg->should_resize = false;
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, width, height);
vgSeti(VG_SCISSORING, VG_TRUE);
rarch_perf_init(&vg_image, "vg_image");
retro_perf_start(&vg_image);
vg_copy_frame(vg, frame, frame_width, frame_height, pitch);
retro_perf_stop(&vg_image);
vgDrawImage(vg->mImage);
#if 0
if (msg && vg->mFontsOn)
vg_draw_message(vg, msg);
#endif
gfx_ctx_update_window_title(vg);
retro_perf_stop(&vg_fr);
gfx_ctx_swap_buffers(vg);
return true;
}
void applyTransformationMatrix(PainterOpenVG* painter)
{
// There are *five* separate transforms that can be applied to OpenVG as of 1.1
// but it is not clear that we need to set them separately. Instead we set them
// all right here and let this be a call to essentially set the world transformation!
VGMatrix vgMatrix(surfaceTransformationMatrix);
const VGfloat* vgFloatArray = vgMatrix.toVGfloat();
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadMatrix(vgFloatArray);
ASSERT_VG_NO_ERROR();
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(vgFloatArray);
ASSERT_VG_NO_ERROR();
#ifdef OPENVG_VERSION_1_1
vgSeti(VG_MATRIX_MODE, VG_MATRIX_GLYPH_USER_TO_SURFACE);
vgLoadMatrix(vgFloatArray);
ASSERT_VG_NO_ERROR();
#endif
}
// Text renders a string of text at a specified location, size, using the specified font glyphs
// derived from http://web.archive.org/web/20070808195131/http://developer.hybrid.fi/font2openvg/renderFont.cpp.txt
void Text(VGfloat x, VGfloat y, char *s, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, mm[9];
int i;
vgGetMatrix(mm);
for (i = 0; i < (int)strlen(s); i++) {
unsigned int character = (unsigned int)s[i];
int glyph = f.CharacterMap[character];
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, y, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += size * f.GlyphAdvances[glyph] / 65536.0f;
}
vgLoadMatrix(mm);
}
/*******************************************************************************
* Function Name : DoTranslate
* Description : Demonstrate the effect of translations. Each path is
* translated separately
*******************************************************************************/
void CTransforms::DoTranslate()
{
// Make sure we're operating on the path user-to-surface matrix
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
// Load Identity matrix. This clears all previous transformations
vgLoadIdentity();
// To be independent of screen resolution, we need to scale the
// coordinates so everything in the range [0, 1] will be visible
vgScale((float) PVRShellGet(prefWidth), (float) PVRShellGet(prefHeight));
// Unlike OpenGL, OpenVG does not maintain a matrix stack. So instead of
// pushing the current matrix to the stack, we have to store it ourselves
float afUnitMatrix[3 * 3];
vgGetMatrix(afUnitMatrix);
// turn time(ms) into a clipped periodic triangle function
int i32Zigzag1 = m_ui32AbsTime % 2000;
if(i32Zigzag1 > 1000)
i32Zigzag1 = 2000 - i32Zigzag1;
i32Zigzag1 = PVRT_MAX(250, PVRT_MIN(750, i32Zigzag1)) - 500;
// and again, now with shifted phase
int i32Zigzag2 = (m_ui32AbsTime + 500) % 2000;
if(i32Zigzag2 > 1000)
i32Zigzag2 = 2000 - i32Zigzag2;
i32Zigzag2 = PVRT_MAX(250, PVRT_MIN(750, i32Zigzag2)) - 250;
// translation for first path
vgTranslate(-0.001f * i32Zigzag1, -0.001f * i32Zigzag2);
// draw first path
vgDrawPath(m_avgPaths[0], VG_STROKE_PATH | VG_FILL_PATH);
// restore the unit matrix ([0, 1] visible)
vgLoadMatrix(afUnitMatrix);
// translation for second path
vgTranslate(0.001f * i32Zigzag1, 0.001f * i32Zigzag2);
// draw second path
vgDrawPath(m_avgPaths[1], VG_STROKE_PATH | VG_FILL_PATH);
}
static bool vg_frame(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
{
RARCH_PERFORMANCE_INIT(vg_fr);
RARCH_PERFORMANCE_START(vg_fr);
vg_t *vg = (vg_t*)data;
if (width != vg->mRenderWidth || height != vg->mRenderHeight || vg->should_resize)
{
vg->mRenderWidth = width;
vg->mRenderHeight = height;
vg_calculate_quad(vg);
matrix_3x3_quad_to_quad(
vg->x1, vg->y1, vg->x2, vg->y1, vg->x2, vg->y2, vg->x1, vg->y2,
// needs to be flipped, Khronos loves their bottom-left origin
0, height, width, height, width, 0, 0, 0,
&vg->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(vg->mTransformMatrix.data);
vg->should_resize = false;
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, vg->mScreenWidth, vg->mScreenHeight);
vgSeti(VG_SCISSORING, VG_TRUE);
RARCH_PERFORMANCE_INIT(vg_image);
RARCH_PERFORMANCE_START(vg_image);
vg_copy_frame(vg, frame, width, height, pitch);
RARCH_PERFORMANCE_STOP(vg_image);
vgDrawImage(vg->mImage);
#if 0
if (msg && vg->mFontsOn)
vg_draw_message(vg, msg);
#endif
vg->driver->update_window_title(vg);
RARCH_PERFORMANCE_STOP(vg_fr);
vg->driver->swap_buffers(vg);
return true;
}
/*******************************************************************************
* Function Name : DoRotateCentered
* Description : Demonstrate the effect of rotating around the centre of a
* shape. Each path is transformed separately.
*******************************************************************************/
void CTransforms::DoRotateCentered()
{
// Make sure we're operating on the path user-to-surface matrix
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
// Load Identity matrix. This clears all previous transformations
vgLoadIdentity();
// To be independent of screen resolution, we need to scale the
// coordinates so everything in the range [0, 1] will be visible
vgScale((float)PVRShellGet(prefWidth), (float)PVRShellGet(prefHeight));
// Unlike OpenGL, OpenVG does not maintain a matrix stack. So instead of
// pushing the current matrix to the stack, we have to store it ourselves
float afUnitMatrix[3*3];
vgGetMatrix(afUnitMatrix);
float fRotationAngle = m_ui32AbsTime * 0.03f;
// Scaling a shape from its center is identical to moving it to the
// origin, scaling it there, and moving it back where it was.
//
// IMPORTANT:
// Since OpenVG right-multiplies matrices, you conceptually need to
// call the transformation functions in backwards order.
vgTranslate(0.5f, 0.75f);
vgRotate(fRotationAngle);
vgTranslate(-0.5f, -0.75f);
// draw first path
vgDrawPath(m_avgPaths[0], VG_STROKE_PATH | VG_FILL_PATH);
// restore the unit matrix ([0, 1] visible)
vgLoadMatrix(afUnitMatrix);
// transformation for second path
vgTranslate(0.5f, 0.25f);
vgRotate(-fRotationAngle);
vgTranslate(-0.5f, -0.25f);
// draw second path
vgDrawPath(m_avgPaths[1], VG_STROKE_PATH | VG_FILL_PATH);
}
void OpenVG_SVGHandler::optimize() {
if( _batch ) {
vgDestroyBatchMNK( _batch );
_batch = 0;
}
// use the monkvg batch extension to greatly optimize rendering. don't need this for
// other OpenVG implementations
_batch = vgCreateBatchMNK();
vgBeginBatchMNK( _batch );
{ // draw
// clear out the transform stack
_transform_stack.clear();
float m[9];
vgGetMatrix( m );
// assume the current openvg matrix is like the camera matrix and should always be applied first
Transform2d top;
Transform2d::multiply( top, Transform2d(m), rootTransform() ); // multiply by the root transform
pushTransform( top );
// SVG is origin at the top, left (openvg is origin at the bottom, left)
// so need to flip
// Transform2d flip;
// flip.setScale( 1, -1 );
// pushTransform( flip );
draw_recursive( _root_group );
vgLoadMatrix( m ); // restore matrix
_transform_stack.clear();
}
vgEndBatchMNK( _batch );
}
void OpenVG_SVGHandler::dump(void **vertices, size_t *size) {
VGBatchMNK temp;
temp = vgCreateBatchMNK();
vgBeginBatchMNK( temp );
{
// clear the transform stack
_transform_stack.clear();
// save matrix
VGfloat m[9];
vgGetMatrix( m );
// assume the current openvg matrix is like the camera matrix and should always be applied first
Transform2d top;
Transform2d::multiply( top, Transform2d(m), rootTransform() ); // multiply by the root transform
pushTransform( top );
// draw
draw_recursive( _root_group );
// restore matrix
vgLoadMatrix( m );
// clear the transform stack
_transform_stack.clear();
}
vgDumpBatchMNK( temp, vertices, size );
vgEndBatchMNK( temp );
vgDestroyBatchMNK( temp );
}
void TextWrap(VGfloat x, VGfloat y, char *s, int width, int height, float lineSpacing, Fontinfo f, int pointsize) {
VGfloat size = (VGfloat) pointsize, xx = x, yy = y, mm[9];
int i = 0;
//float lineSpacing = 0.2;
vgGetMatrix(mm);
while(i < (int)strlen(s)) {
//for (i = 0; i < (int)strlen(s); i++) {
if(s[i] == '\n') {
// next line
xx = x;
yy -= size + lineSpacing * size; // + padding
i++;
if(yy < y - height) // not enough space
break;
}
else {
// read word until you hit a space or an \n
int wordLength = 0;
VGfloat wordSize = 0;
if(s[i] == ' ') {
wordLength = 1;
wordSize = GetWidthOfChar(s[i], f, pointsize);
}
else {
while(i + wordLength < strlen(s) && (s[i+wordLength] != ' ' && s[i+wordLength] != '\n')) {
wordLength++;
wordSize += GetWidthOfChar(s[i+wordLength], f, pointsize);
}
}
//printf("Word length %d\n", wordLength);
//printf("Word: '");
if(xx + wordSize >= x + width) {
// next line
xx = x;
yy -= size + lineSpacing * size; // + padding
if(yy < y - height) // not enough space
break;
}
int j;
for(j = i; j < i + wordLength; j++) {
//printf("%c", s[j]);
unsigned int character = (unsigned int)s[j];
int glyph = f.CharacterMap[character];
if (glyph == -1) {
continue; //glyph is undefined
}
VGfloat charSize = GetWidthOfChar(s[j], f, pointsize);
if(xx >= x + width + charSize) // letter wrapping
{
xx = x;
yy -= size + lineSpacing * size;
if(yy < y - height) // not enough space
break;
}
VGfloat mat[9] = {
size, 0.0f, 0.0f,
0.0f, size, 0.0f,
xx, yy, 1.0f
};
vgLoadMatrix(mm);
vgMultMatrix(mat);
vgDrawPath(f.Glyphs[glyph], VG_FILL_PATH);
xx += charSize;
}
//printf("'\n");
i += wordLength;
}
}
vgLoadMatrix(mm);
}
void CNVGCSIcon::DrawPaintL(VGPaint aPaint, VGMatrixMode aMatrixMode, TUint & aLastPaintType, TUint & aLastPaintColor, VGPaintMode aPaintMode)
{
VGPaintType paintType = (VGPaintType)iNVGIconData->ReadInt32L();
if (paintType == VG_PAINT_TYPE_LINEAR_GRADIENT ||
paintType == VG_PAINT_TYPE_RADIAL_GRADIENT)
{
VGPaintParamType paintPType = VG_PAINT_LINEAR_GRADIENT;
if (paintType == VG_PAINT_TYPE_RADIAL_GRADIENT)
{
paintPType = VG_PAINT_RADIAL_GRADIENT;
}
VGPaint paintHandle = iNVGIconData->ReadInt32L();
TInt count = iNVGIconData->ReadInt32L();
VGfloat gradientData[5];
VGfloat gradientMatrix[9];
iNVGIconData->ReadL((TUint8 *)gradientData, count * sizeof(VGfloat));
iNVGIconData->ReadL((TUint8 *)gradientMatrix, 9 * sizeof(VGfloat));
if (paintHandle)
{
vgSetPaint(paintHandle, aPaintMode);
vgSeti(VG_MATRIX_MODE, aMatrixMode);
vgLoadMatrix(gradientMatrix);
if (aPaintMode == VG_FILL_PATH)
{
iResetFillPaint = 1;
}
else
{
iResetStrokePaint = 1;
}
}
else
{
if (aLastPaintType != paintType)
{
vgSetParameteri(aPaint, VG_PAINT_TYPE, paintType);
}
vgSetParameterfv(aPaint, paintPType, count, gradientData);
vgSeti(VG_MATRIX_MODE, aMatrixMode);
vgLoadMatrix(gradientMatrix);
}
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
}
else if (paintType == VG_PAINT_TYPE_COLOR)
{
if (aPaintMode == VG_FILL_PATH && iResetFillPaint)
{
iResetFillPaint = 0;
vgSetPaint(aPaint, aPaintMode);
}
else if (aPaintMode == VG_STROKE_PATH && iResetStrokePaint)
{
iResetStrokePaint = 0;
vgSetPaint(aPaint, aPaintMode);
}
TUint color = static_cast<TUint>(iNVGIconData->ReadInt32L());
if (aLastPaintType != paintType)
{
vgSetParameteri(aPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetColor(aPaint, color);
}
else
{
if (aLastPaintColor != color)
{
vgSetColor(aPaint, color);
}
}
aLastPaintColor = color;
}
else
{
User::Leave(KErrCorrupt);
}
aLastPaintType = paintType;
}
TInt CNVGCSIcon::DoDrawL(const TSize aSize)
{
TInt ret = KErrNone;
vgSetPaint(iFillPaint, VG_FILL_PATH);
vgSetPaint(iStrokePaint, VG_STROKE_PATH);
iLastFillPaintColor = 0;
iLastStrkePaintColor = 0;
iLastFillPaintType = 0;
iLastStrokePaintType = 0;
VGfloat lCurrentPathMatrix[9];
vgGetMatrix(lCurrentPathMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
vgLoadMatrix(lCurrentPathMatrix);
SetRotation();
#ifdef __MIRROR_
vgScale(1.0f, -1.0f);
vgTranslate(0, (VGfloat)(-aSize.iHeight) );
#endif
SetViewBoxToViewTransformationL(aSize);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
VGfloat currentMatrix[9];
vgGetMatrix(currentMatrix);
iNVGIconData->BeginRead();
while (!iNVGIconData->EOF())
{
switch (iNVGIconData->ReadInt32L())
{
case EPath:
{
VGPath path = (VGPath)iNVGIconData->ReadInt32L();
VGPaintMode paintMode = (VGPaintMode)iNVGIconData->ReadInt32L();
if (path == VG_INVALID_HANDLE)
{
vgDrawPath(iPath, paintMode);
}
else
{
vgDrawPath(path, paintMode);
}
break;
}
case EPathData:
{
if (iPath != VG_INVALID_HANDLE)
{
VGint numSegments;
VGubyte * pathSegments = 0;
VGubyte * pathData = 0;
numSegments = iNVGIconData->ReadInt32L();
pathSegments = new (ELeave) VGubyte[numSegments];
CleanupStack::PushL(TCleanupItem(CleanupArray, pathSegments));
if (pathSegments)
{
iNVGIconData->ReadL(pathSegments, numSegments);
VGint coordinateCount = iNVGIconData->ReadInt32L();
pathData = new (ELeave) VGubyte[coordinateCount * 4];
if (pathData)
{
CleanupStack::PushL(TCleanupItem(CleanupArray, pathData));
iNVGIconData->ReadL(pathData, coordinateCount * 4);
vgClearPath(iPath, VG_PATH_CAPABILITY_APPEND_TO);
vgAppendPathData(iPath, numSegments, pathSegments, pathData);
CleanupStack::PopAndDestroy();
}
}
CleanupStack::PopAndDestroy();
}
break;
}
case EPaint:
{
DrawPaintL(iFillPaint, VG_MATRIX_FILL_PAINT_TO_USER, iLastFillPaintType, iLastFillPaintColor, VG_FILL_PATH);
break;
}
case EColorRamp:
{
iNVGIconData->ReadInt32L();
break;
}
case ETransform:
{
TInt flag;
VGfloat transformMatrix[9];
TPtr8 tmPtr((TUint8 *)transformMatrix, 9 * sizeof(VGfloat));
iNVGIconData->ReadL(tmPtr, 9 * sizeof(VGfloat));
flag = iNVGIconData->ReadInt32L();
vgLoadMatrix(currentMatrix);
if (flag)
{
vgMultMatrix(transformMatrix);
}
}
break;
case EStrokeWidth:
{
VGfloat strokeWidth = iNVGIconData->ReadReal32L();
vgSetf(VG_STROKE_LINE_WIDTH, strokeWidth);
break;
}
case EStrokeMiterLimit:
{
VGfloat miterLimit = iNVGIconData->ReadReal32L();
vgSetf(VG_STROKE_MITER_LIMIT, miterLimit);
break;
}
case EStrokeLineJoinCap:
{
VGint lineJoin = iNVGIconData->ReadInt32L();
VGint cap = iNVGIconData->ReadInt32L();
vgSeti(VG_STROKE_JOIN_STYLE, (VGJoinStyle)lineJoin);
vgSeti(VG_STROKE_CAP_STYLE, (VGCapStyle)cap);
break;
}
case EStrokePaint:
{
DrawPaintL(iStrokePaint, VG_MATRIX_STROKE_PAINT_TO_USER, iLastStrokePaintType, iLastStrkePaintColor, VG_STROKE_PATH);
break;
}
case EStrokeColorRamp:
{
iNVGIconData->ReadInt32L();
break;
}
default:
{
User::Leave(KErrCorrupt);
break;
}
}
}
iNVGIconData->EndRead();
return ret;
}
